{"id":9096,"date":"2026-01-23T07:55:49","date_gmt":"2026-01-23T07:55:49","guid":{"rendered":"https:\/\/www.zehsm.com\/?p=9096"},"modified":"2026-01-23T07:55:49","modified_gmt":"2026-01-23T07:55:49","slug":"%ea%b3%b5%ea%b3%b5-%ec%a3%bc%ec%86%8c-%ec%8b%9c%ec%8a%a4%ed%85%9c%ec%97%90-%ec%a0%81%ed%95%a9%ed%95%9c-%ec%98%a4%eb%94%94%ec%98%a4-%ed%98%bc%ec%9d%84-%ec%84%a0%ed%83%9d%ed%95%98%eb%8a%94-%eb%b0%a9","status":"publish","type":"post","link":"https:\/\/www.zehsm.com\/ko\/how-to-choose-the-right-audio-horn-for-public-address-systems\/","title":{"rendered":"\uacf5\uacf5 \ubc29\uc1a1 \uc2dc\uc2a4\ud15c\uc5d0 \uc801\ud569\ud55c \uc624\ub514\uc624 \ud63c\uc744 \uc120\ud0dd\ud558\ub294 \ubc29\ubc95"},"content":{"rendered":"<p>\uacf5\uacf5 \ubc29\uc1a1(PA) \uc2dc\uc2a4\ud15c\uc5d0 \uc801\ud569\ud55c \uc624\ub514\uc624 \ud63c\uc744 \uc120\ud0dd\ud558\ub294 \uac83\uc740 \uae30\uc220 \uc0ac\uc591\uacfc \uc2e4\uc81c \uc131\ub2a5\uc744 \uc5f0\uacb0\ud558\ub294 \uc911\uc694\ud55c \uacb0\uc815\uc785\ub2c8\ub2e4. \ubd80\uc801\uc808\ud55c \uc120\ud0dd\uc740 \ud6a8\uc728\uc131 \uc800\ud558, \uba85\ub8cc\ub3c4 \ubb38\uc81c \ubc0f \uc790\uc6d0 \ub0ad\ube44\ub85c \uc774\uc5b4\uc9c8 \uc218 \uc788\ub294 \ubc18\uba74, \uc62c\ubc14\ub978 \uc120\ud0dd\uc740 \uae30\ucc28\uc5ed\ubd80\ud130 \uc0b0\uc5c5 \ud604\uc7a5\uc5d0 \uc774\ub974\uae30\uae4c\uc9c0 \uc548\uc804, \uc6b4\uc601 \ubc0f \uc548\ub0b4\uc5d0 \ud544\uc218\uc801\uc778 \uc694\uc18c\uc778 \uba85\ud655\ud558\uace0 \uc2e0\ub8b0\ud560 \uc218 \uc788\ub294 \ud1b5\uc2e0\uc744 \ubcf4\uc7a5\ud569\ub2c8\ub2e4. \ubcf8 \uac00\uc774\ub4dc\ub294 \ud575\uc2ec \uc6d0\ub9ac, \uae30\uc220\uc801 \ub9e4\uac1c\ubcc0\uc218 \ubc0f \uc2e4\uc6a9\uc801 \uace0\ub824 \uc0ac\ud56d\uc744 \uc2ec\uce35\uc801\uc73c\ub85c \ub2e4\ub8e8\uc5b4 \ubaa8\ub4e0 \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c \uc815\ubcf4\uc5d0 \uae30\ubc18\ud55c \uacb0\uc815\uc744 \ub0b4\ub9b4 \uc218 \uc788\ub3c4\ub85d \uc9c0\uc6d0\ud569\ub2c8\ub2e4.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.zehsm.com\/wp-content\/uploads\/2026\/01\/28x28mm-4ohm-3w-loudspeaker-square.jpg\" alt=\"28x28mm 4\uc634 3\uc640\ud2b8 \uc815\uc0ac\uac01\ud615 \uc2a4\ud53c\ucee4\" title=\"28x28mm 4\uc634 3\uc640\ud2b8 \uc815\uc0ac\uac01\ud615 \uc2a4\ud53c\ucee4\" class=\"wpauto-inline-image\" style=\"max-width: 100%;height: auto;margin: 20px auto\" \/><\/p>\n<h2>\uc624\ub514\uc624 \ud63c\uc758 \ud575\uc2ec \uae30\ub2a5 \ubc0f \uc720\ud615 \uc774\ud574<\/h2>\n<p><img decoding=\"async\" src=\"https:\/\/www.zehsm.com\/wp-content\/uploads\/2026\/01\/20x35mm-Built-in-mounting-hole-speaker-8ohm-1.5w.jpg\" alt=\"20x35mm \ub0b4\uc7a5\ud615 \uc7a5\ucc29 \uad6c\uba4d, 8\uc634, 1.5W \uc2a4\ud53c\ucee4\" title=\"20x35mm \ub0b4\uc7a5\ud615 \uc7a5\ucc29 \uad6c\uba4d, 8\uc634, 1.5W \uc2a4\ud53c\ucee4\" class=\"wpauto-inline-image\" style=\"max-width: 100%;height: auto;margin: 20px auto\" \/><\/p>\n<p>\uacf5\uacf5 \ubc29\uc1a1 \ud63c\uc758 \ud575\uc2ec\uc740 \uc99d\ud3ed\uae30\uc758 \uc804\uae30\uc801 \uc624\ub514\uc624 \uc2e0\ud638\ub97c \uc74c\ud5a5 \uc5d0\ub108\uc9c0\ub85c \ubcc0\ud658\ud558\uc5ec \uba3c \uac70\ub9ac\uc640 \uae4c\ub2e4\ub85c\uc6b4 \ud658\uacbd\uc5d0\uc11c \uc18c\ub9ac\ub97c \ud22c\uc0ac\ud558\ub294 \ubcc0\ud658\uae30\uc785\ub2c8\ub2e4. \uc74c\uc545\uc6a9 \ud45c\uc900 \uc2a4\ud53c\ucee4\uc640 \ub2ec\ub9ac \ud63c\uc740 \ub2e4\uc74c\uc5d0 \ucd5c\uc801\ud654\ub429\ub2c8\ub2e4: <strong>\uc74c\uc131 \uba85\ub8cc\ub3c4<\/strong> \uadf8\ub9ac\uace0 <strong>\uc18c\ub9ac \ud22c\uc0ac<\/strong>.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.zehsm.com\/wp-content\/uploads\/2026\/01\/20x30-built-in-small-speaker.jpg\" alt=\"20x30 \ub0b4\uc7a5\ud615 \uc18c\ud615 \uc2a4\ud53c\ucee4\" title=\"20\u00d730 \ub0b4\uc7a5\ud615 \uc18c\ud615 \uc2a4\ud53c\ucee4\" class=\"wpauto-inline-image\" style=\"max-width: 100%;height: auto;margin: 20px auto\" \/><\/p>\n<p>PA \uc2dc\uc2a4\ud15c\uc5d0 \uc0ac\uc6a9\ub418\ub294 \uc8fc\uc694 \ud63c \uc720\ud615\uc740 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n<ol>\n<li><strong>\uc815\uc784\ud53c\ub358\uc2a4 \ud63c:<\/strong> \uc804\ud1b5\uc801\uc73c\ub85c 70V \ub610\ub294 100V \uc99d\ud3ed\uae30 \ucd9c\ub825\uc5d0 \ubcd1\ub82c\ub85c \uc5f0\uacb0\ub429\ub2c8\ub2e4. \ubcc0\uc555\uae30 \uae30\ubc18 \uc124\uacc4 \ub355\ubd84\uc5d0 \ub2e8\uc21c\ud558\uace0 \uc2e0\ub8b0\uc131\uc774 \ub192\uc73c\uba70 \ub2e8\uc77c \uc99d\ud3ed\uae30 \ucc44\ub110\uc5d0\uc11c \uc5ec\ub7ec \ud63c\uc744 \ub3d9\uc2dc\uc5d0 \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ub113\uc740 \uc601\uc5ed \ucee4\ubc84\ub9ac\uc9c0\uc758 \ud575\uc2ec \uc7a5\ube44\uc785\ub2c8\ub2e4.<\/li>\n<li><strong>\uc800\uc784\ud53c\ub358\uc2a4 \ud63c(8\uc634):<\/strong> \uae30\uc874 \uc2a4\ud53c\ucee4\ucc98\ub7fc \uc791\ub3d9\ud558\uba70 \uc99d\ud3ed\uae30 \ucc44\ub110\uc5d0 \uc9c1\uc811 \uc5f0\uacb0\ud574\uc57c \ud569\ub2c8\ub2e4. \ub354 \ub192\uc740 \ucda9\uc2e4\ub3c4\uac00 \uc694\uad6c\ub418\uac70\ub098 \uc18c\uc218\uc758 \uc720\ub2db\ub9cc \ud544\uc694\ud55c \uc751\uc6a9 \ubd84\uc57c\uc5d0\uc11c \uc790\uc8fc \uc0ac\uc6a9\ub418\uba70, \uc7a0\uc7ac\uc801\uc73c\ub85c \ub354 \ub098\uc740 \uc74c\uc9c8\uc744 \uc81c\uacf5\ud558\uc9c0\ub9cc \ub300\uaddc\ubaa8 \ubd84\uc0b0 \uc2dc\uc2a4\ud15c\uc5d0\uc11c\ub294 \uc720\uc5f0\uc131\uc774 \ub5a8\uc5b4\uc9d1\ub2c8\ub2e4.<\/li>\n<li><strong>\ud638\ucd9c \ud63c \ub300 \uc0ac\uc6b4\ub4dc \ud504\ub85c\uc81d\ud130:<\/strong> \ud638\ucd9c \ud63c\uc740 \uc77c\ubc18\uc801\uc73c\ub85c \ub354 \uc791\uc73c\uba70 \ubc29\ud5a5\uc131 \uc18c\ub9ac\ub97c \uc704\ud55c \uc881\uc740 \ud655\uc0b0 \ud328\ud134\uc744 \uac00\uc9d1\ub2c8\ub2e4. \uc0ac\uc6b4\ub4dc \ud504\ub85c\uc81d\ud130\ub294 \ub354 \ud06c\uace0 \uac15\ub825\ud55c \uc720\ub2db\uc73c\ub85c, \uadf9\ud55c \uac70\ub9ac\uc640 \ub192\uc740 \uc8fc\ubcc0 \uc18c\uc74c \ud658\uacbd(\uc608: \uc11d\uc720 \uad74\ucc29 \uc7a5\uce58 \ub610\ub294 \uc120\uc801 \uc57c\uc801\uc7a5)\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4.<\/li>\n<\/ol>\n<p>\uc774\ub7ec\ud55c \uc720\ud615 \uac04\uc758 \uc120\ud0dd\uc740 \uc2dc\uc2a4\ud15c \uc124\uacc4\uc758 \uae30\ucd08\ub97c \ud615\uc131\ud569\ub2c8\ub2e4. 2024\ub144 \uc5c5\uacc4 \ub3d9\ud5a5\uc740 \ub124\ud2b8\uc6cc\ud06c \uae30\ubc18 \uc624\ub514\uc624 IP(AoIP) \uc2dc\uc2a4\ud15c\uc744 \uacc4\uc18d \uc120\ud638\ud558\uba70, \uc804\ud1b5\uc801\uc778 \ud63c\ub3c4 \uad6c\uc5ed\ubcc4 \uc81c\uc5b4 \ubc0f \ubaa8\ub2c8\ud130\ub9c1\uc774 \uac00\ub2a5\ud55c \uc9c0\ub2a5\ud615 \uc8fc\uc18c \uc9c0\uc815 \uc99d\ud3ed\uae30\ub85c \uad6c\ub3d9\ub418\uc5b4 \ud074\ub798\uc2dd \ud558\ub4dc\uc6e8\uc5b4\uc640 \ud604\ub300\uc801 \ub514\uc9c0\ud138 \uad00\ub9ac\uac00 \uacb0\ud569\ub429\ub2c8\ub2e4.<\/p>\n<h2>\uc815\ubcf4\uc5d0 \uae30\ubc18\ud55c \uc120\ud0dd\uc744 \uc704\ud55c \uc8fc\uc694 \uae30\uc220 \ub9e4\uac1c\ubcc0\uc218<\/h2>\n<p>\uc0ac\uc591\uc11c\ub97c \uc774\ud574\ud558\ub294 \uac83\uc740 \ud544\uc218\uc801\uc785\ub2c8\ub2e4. \ud3c9\uac00\ud574\uc57c \ud560 \ud544\uc218 \ub9e4\uac1c\ubcc0\uc218\ub294 \ub2e4\uc74c\uacfc \uac19\uc2b5\ub2c8\ub2e4:<\/p>\n<ul>\n<li><strong>\uac10\ub3c4(dB SPL, 1W\/1m):<\/strong> \uc774\ub294 1\ubbf8\ud130 \uac70\ub9ac\uc5d0\uc11c 1\uc640\ud2b8\uc758 \uc785\ub825 \uc804\ub825\uc73c\ub85c \ud63c\uc774 \uc5bc\ub9c8\ub098 \ud070 \uc18c\ub9ac\ub97c \ub0b4\ub294\uc9c0 \uce21\uc815\ud569\ub2c8\ub2e4. \ub354 \ub192\uc740 \uac10\ub3c4 \ub4f1\uae09(\uc608: 110dB)\uc740 \ud63c\uc774 \ub354 \ud6a8\uc728\uc801\uc774\uba70 \ub354 \uc801\uc740 \uc99d\ud3ed\uae30 \uc804\ub825\uc73c\ub85c \ub354 \ub9ce\uc740 \uc18c\ub9ac\ub97c \uc0dd\uc131\ud568\uc744 \uc758\ubbf8\ud569\ub2c8\ub2e4. \uc774\ub294 \uc5d0\ub108\uc9c0 \ud6a8\uc728\uc131\uacfc \uc99d\ud3ed\uae30 \ube44\uc6a9 \uc808\uac10\uc5d0 \uc911\uc694\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc804\ub825 \ucc98\ub9ac \uc6a9\ub7c9(\uc5f0\uc18d\/\ud53c\ud06c):<\/strong> \uc640\ud2b8\ub85c \ud45c\uc2dc\ub418\uba70, \ud63c\uc774 \uc190\uc0c1 \uc5c6\uc774 \uc9c0\uc18d\uc801\uc73c\ub85c \ucc98\ub9ac\ud560 \uc218 \uc788\ub294 \uc804\ub825\ub7c9\uc744 \ub098\ud0c0\ub0c5\ub2c8\ub2e4. \uc774\ub97c \uc99d\ud3ed\uae30 \ucd9c\ub825\uacfc \uc77c\uce58\uc2dc\ud0a4\uc2ed\uc2dc\uc624. \uc815\uc804\uc555 \uc2dc\uc2a4\ud15c\uc758 \uacbd\uc6b0, \ud63c\uc758 \ubcc0\uc555\uae30\uac00 \ud574\ub2f9 \uc704\uce58\uc5d0 \ud544\uc694\ud55c SPL\uc5d0 \uc801\ud569\ud55c \uc640\ud2b8 \ud0ed(\uc608: 5W, 10W, 20W)\uc744 \uac16\ucd94\uace0 \uc788\ub294\uc9c0 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/li>\n<li><strong>\ucd5c\ub300 \uc74c\uc555 \ub808\ubca8(Max SPL):<\/strong> \ud63c\uc774 \uc0dd\uc131\ud560 \uc218 \uc788\ub294 \uc808\ub300 \ucd5c\ub300 \ucd9c\ub825\uc785\ub2c8\ub2e4. \uc774 \uc218\uce58\ub294 \ud63c\uc774 \uc8fc\ubcc0 \uc18c\uc74c\uc744 \uadf9\ubcf5\ud560 \uc218 \uc788\ub294\uc9c0 \uacb0\uc815\ud569\ub2c8\ub2e4. \uc2e4\uc678 \uc0b0\uc5c5 \uc9c0\uc5ed\uc758 \uacbd\uc6b0 120-130dB \uc774\uc0c1\uc758 \ucd5c\ub300 SPL\uc744 \uac00\uc9c4 \ud63c\uc774 \ud544\uc694\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/li>\n<li><strong>\ud655\uc0b0 \ud328\ud134(\ucee4\ubc84\ub9ac\uc9c0 \uac01\ub3c4):<\/strong> \ub3c4 \ub2e8\uc704(\uc608: 90\u00b0H x 40\u00b0V)\ub85c \ud45c\uc2dc\ub418\uba70, \uc74c\uc7a5\uc758 \ud615\ud0dc\ub97c \uc815\uc758\ud569\ub2c8\ub2e4. \ub113\uc740 \uc218\ud3c9 \ud328\ud134\uc740 \uad11\uc7a5 \uac19\uc740 \ub113\uc740 \uc601\uc5ed\uc744 \ucee4\ubc84\ud558\uace0, \uc881\uc740 \ud328\ud134\uc740 \ud65c\uc8fc\ub85c\ucc98\ub7fc \uba3c \uac70\ub9ac\ub85c \uc881\uc740 \ube54 \ud615\ud0dc\ub85c \uc18c\ub9ac\ub97c \ud22c\uc0ac\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc8fc\ud30c\uc218 \uc751\ub2f5:<\/strong> \uc74c\uc131 \uba85\ub8cc\ub3c4\ub97c \uc704\ud574 \uc911\uc694\ud55c \ubc94\uc704\ub294 <strong>500Hz ~ 4,000Hz<\/strong>. \uc785\ub2c8\ub2e4. \uc774 \ubc94\uc704\uc5d0\uc11c \uc870\uc815\ub41c \uc751\ub2f5\uc744 \uac00\uc9c4 \ud63c\uc740 \ub113\uc9c0\ub9cc \ubd88\uade0\uc77c\ud55c \uc751\ub2f5\uc744 \uac00\uc9c4 \ud63c\ubcf4\ub2e4 \ub354 \uba85\ud655\ud55c \uc74c\uc131\uc744 \uc0dd\uc131\ud569\ub2c8\ub2e4. \uc74c\uc545 \uc7ac\uc0dd\uc5d0\ub294 \ub354 \ub113\uc740 \ubc94\uc704(\uc608: 100Hz ~ 15,000Hz)\uac00 \ud544\uc694\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uce68\uc218 \ubcf4\ud638(IP) \ub4f1\uae09:<\/strong> \uc774\ub294 \ud658\uacbd \ub0b4\uad6c\uc131\uc744 \uc778\uc99d\ud569\ub2c8\ub2e4. <strong>IP65<\/strong> \ub4f1\uae09\uc740 \ubc29\uc9c4 \ubc0f \uc800\uc555 \ubb3c \ubd84\uc0ac\uc5d0 \ub300\ud55c \ubcf4\ud638\ub97c \uc758\ubbf8\ud558\uba70, \ub300\ubd80\ubd84\uc758 \uc2e4\uc678 \uc751\uc6a9 \ubd84\uc57c\uc5d0 \uc801\ud569\ud569\ub2c8\ub2e4. <strong>IP66\/67<\/strong> \uc740 \ub354 \uac15\ud55c \ubd84\uc0ac \ub610\ub294 \uc77c\uc2dc\uc801 \uce68\uc218\uc5d0 \ub300\ud55c \ubcf4\ud638\ub97c \uc81c\uacf5\ud558\uba70, \uac00\ud639\ud55c \uc0b0\uc5c5 \ub610\ub294 \ud574\uc591 \ud658\uacbd\uc5d0 \ud544\uc218\uc801\uc785\ub2c8\ub2e4.<\/li>\n<\/ul>\n<h2>\ud658\uacbd \ubc0f \uc751\uc6a9 \ubd84\uc57c\uc5d0 \ub9de\ub294 \ud63c \uc120\ud0dd<\/h2>\n<p>\ud658\uacbd\uc774 \ud63c\uc758 \uc694\uad6c \uc0ac\uc591\uc744 \uacb0\uc815\ud569\ub2c8\ub2e4. \ub2e4\uc74c \uc8fc\uc694 \uc751\uc6a9 \ubd84\uc57c \ubc94\uc8fc\ub97c \uace0\ub824\ud558\uc2ed\uc2dc\uc624:<\/p>\n<ul>\n<li><strong>\uc2e4\ub0b4 \uc0c1\uc5c5 \uacf5\uac04(\uc0ac\ubb34\uc2e4, \uc18c\ub9e4\uc810, \uc544\ud2b8\ub9ac\uc6c0):<\/strong> \uc5ec\uae30\uc11c\ub294 \ubbf8\uad00\uacfc \uade0\uc77c\ud55c \ucee4\ubc84\ub9ac\uc9c0\uac00 \uc911\uc694\ud569\ub2c8\ub2e4. \uc800\uc804\ub825, \ub113\uc740 \ud655\uc0b0 \ud328\ud134\uc758 \ud63c(\uc885\uc885 \ud770\uc0c9)\uc774 \uc77c\ubc18\uc801\uc785\ub2c8\ub2e4. \uba85\ub8cc\ub3c4\uac00 \ud575\uc2ec\uc774\uc9c0\ub9cc \ucd5c\ub300 SPL \uc694\uad6c \uc0ac\ud56d\uc740 \ub0ae\uc2b5\ub2c8\ub2e4(90-100dB). \uac74\ucd95\uc6a9 \uc2a4\ud53c\ucee4 \ub610\ub294 \uc18c\ud615 \ud63c\uc774 \uc790\uc8fc \uc0ac\uc6a9\ub429\ub2c8\ub2e4.<\/li>\n<li><strong>\uad50\ud1b5 \ud5c8\ube0c(\uacf5\ud56d, \uae30\ucc28\uc5ed):<\/strong> \uc774\ub7ec\ud55c \uacf5\uac04\uc740 \ud06c\uace0 \uc2dc\ub044\ub7ec\uc6b4 \uc2e4\ub0b4 \uacf5\uac04\uacfc \uc2e4\uc678 \ud50c\ub7ab\ud3fc\uc774 \uacb0\ud569\ub418\uc5b4 \uc788\uc2b5\ub2c8\ub2e4. \ud50c\ub7ab\ud3fc \ubc0f \uac1c\ubc29\ud615 \ucc28\uace0\uc6a9 \uace0SPL, \ub0b4\ud6c4\uc131 \ud504\ub85c\uc81d\ud130\uc640 \ub300\ud569\uc2e4\uc6a9 \uc6b0\uc218\ud55c \uba85\ub8cc\ub3c4\ub97c \uac00\uc9c4 \ubd84\uc0b0\ud615 \ud63c\uc758 \ud63c\ud569\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \uc2dc\uc2a4\ud15c\uc740 \ub300\uaddc\ubaa8 \uc54c\ub9bc \ud504\ub85c\ud1a0\ucf5c\uacfc \ud1b5\ud569\ub418\uc5b4\uc57c \ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc0b0\uc5c5 \ubc0f \uc81c\uc870:<\/strong> \ucd5c\uace0\uc758 \ub09c\uc81c\uc785\ub2c8\ub2e4. \uae30\uacc4\ub85c \uc778\ud55c \ub192\uc740 \uc8fc\ubcc0 \uc18c\uc74c(85-110dB+)\uc740 \ub9e4\uc6b0 \ub192\uc740 \ucd5c\ub300 SPL(125dB+)\uc744 \uac00\uc9c4 \ud63c\uc744 \ud544\uc694\ub85c \ud569\ub2c8\ub2e4. \ub610\ud55c \uadf9\ub3c4\ub85c \uacac\uace0\ud574\uc57c \ud558\uba70(\ub192\uc740 IP \ub4f1\uae09, \uc885\uc885 \ub0b4\uc2dd\uc131), \uc800\uc8fc\ud30c \uc9c4\ub3d9\uc744 \ub6ab\uc744 \uc218 \uc788\uc5b4\uc57c \ud569\ub2c8\ub2e4. \uc11d\uc720\ud654\ud559 \uacf5\uc7a5\uacfc \uac19\uc740 \uc704\ud5d8 \uc9c0\uc5ed\uc5d0\uc11c\ub294 \ubc29\ud3ed\ud615 \ud63c(ATEX\/IECEx \uc778\uc99d)\uc774 \ud544\uc218\uc785\ub2c8\ub2e4.<\/li>\n<li><strong>\uc2e4\uc678 \uacf5\uacf5 \uacf5\uac04(\uacbd\uae30\uc7a5, \uacf5\uc6d0, \ucea0\ud37c\uc2a4):<\/strong> \ub0b4\ud6c4\uc131(IP65+)\uc774 \ud45c\uc900\uc785\ub2c8\ub2e4. \ucee4\ubc84\ub9ac\uc9c0\uac00 \uc8fc\uc694 \uacfc\uc81c\uc774\uba70, \uacbd\uacc4\ub97c \ub118\uc5b4 \uacfc\ub3c4\ud55c \uc18c\uc74c \uacf5\ud574\ub97c \uc720\ubc1c\ud558\uc9c0 \uc54a\uc73c\uba74\uc11c \ud574\ub2f9 \uc601\uc5ed\uc744 \ub36e\uae30 \uc704\ud574 \uc2e0\uc911\ud558\uac8c \uc120\ud0dd\ub41c \ud655\uc0b0 \ud328\ud134\uc758 \ud63c\uc744 \uc804\ub7b5\uc801\uc73c\ub85c \ubc30\uc5f4\ud574\uc57c \ud558\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4.<\/li>\n<\/ul>\n<p><strong>\uc2e4\uc2dc\uac04 \ub370\uc774\ud130 \ud3ec\uc778\ud2b8:<\/strong> 2023\ub144 <strong>Frost &amp; Sullivan<\/strong>, \uc758 \uc2dc\uc7a5 \ubd84\uc11d\uc5d0 \ub530\ub974\uba74, <strong>\uc0b0\uc5c5 \ubd80\ubb38\uc5d0\uc11c \uacac\uace0\ud558\uace0 \uace0\ucd9c\ub825 \uc624\ub514\uc624 \uc194\ub8e8\uc158\uc5d0 \ub300\ud55c \uc218\uc694<\/strong> \ub294 \uc791\uc5c5\uc790 \uc548\uc804\uc5d0 \ub300\ud55c \uad00\uc2ec \uc99d\uac00\uc640 \uac00\uccad \uacbd\ubcf4 \ubc0f \uc548\ub0b4 \ubc29\uc1a1\uc5d0 \ub300\ud55c \ub354 \uc5c4\uaca9\ud55c \uaddc\uc81c \uc900\uc218\ub85c \uc778\ud574 \uc5f0\ud3c9\uade0 \uc131\uc7a5\ub960(CAGR) 7.2%\ub85c \uc99d\uac00\ud558\uace0 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<h2>\uc124\uce58 \ubc0f \uc2dc\uc2a4\ud15c \ud1b5\ud569 \uccb4\ud06c\ub9ac\uc2a4\ud2b8<\/h2>\n<p>\uc120\ud0dd\uc740 \ud63c \uc790\uccb4\uc5d0\uc11c \ub05d\ub098\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. \uc801\uc808\ud55c \ud1b5\ud569\uc774 \uc911\uc694\ud569\ub2c8\ub2e4.<\/p>\n<ol>\n<li><strong>\uc570\ud504 \ub9e4\uce6d:<\/strong> \uc815\uc804\uc555 \uc2dc\uc2a4\ud15c\uc5d0\uc11c \ud574\ub2f9 \ub77c\uc778\uc758 \ubaa8\ub4e0 \ud63c\uc5d0 \ub300\ud55c \ucd1d \uc640\ud2b8 \ud0ed \ud569\uacc4\uc640 \uc570\ud504\uc758 \ucc44\ub110\ub2f9 \ucd9c\ub825 \uc640\ud2b8\uac00 \uc77c\uce58\ud558\ub294\uc9c0 \ud655\uc778\ud558\uc2ed\uc2dc\uc624. \uc800\uc784\ud53c\ub358\uc2a4 \ud63c\uc758 \uacbd\uc6b0 \uc784\ud53c\ub358\uc2a4\ub97c \uc77c\uce58\uc2dc\ud0a4\uc2ed\uc2dc\uc624. \ud074\ub9ac\ud551\uc744 \ubc29\uc9c0\ud558\uae30 \uc704\ud574 20-30%\uc758 \ucd94\uac00 \uc570\ud504 \ud5e4\ub4dc\ub8f8\uc744 \ud655\ubcf4\ud558\uc2ed\uc2dc\uc624.<\/li>\n<li><strong>\uad6c\uc5ed \uc124\uc815 \ubc0f \ubc30\uc120:<\/strong> \ub17c\ub9ac\uc801 \uc624\ub514\uc624 \uad6c\uc5ed(\uc608: \uce35\ubcc4, \uc704\ud5d8 \uad6c\uc5ed\ubcc4 \ub610\ub294 \uae30\ub2a5\ubcc4)\uc744 \uc124\uacc4\ud558\uc2ed\uc2dc\uc624. \uc801\uc808\ud55c \uac8c\uc774\uc9c0\uc758 \uc2a4\ud53c\ucee4 \uc640\uc774\uc5b4\ub97c \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624. 70V\/100V \uc2dc\uc2a4\ud15c\uc5d0\uc11c \uc7a5\uac70\ub9ac \ubc30\uc120 \uc2dc \uc804\uc555 \uac15\ud558\ub97c \uacc4\uc0b0\ud558\uc5ec \uc131\ub2a5\uc744 \ubcf4\uc7a5\ud558\uc2ed\uc2dc\uc624. \ucd5c\uc2e0 \uc2dc\uc2a4\ud15c\uc740 AoIP\ub97c \uc704\ud574 \uce74\ud14c\uace0\ub9ac \ucf00\uc774\ube14\uc744 \uc0ac\uc6a9\ud558\uba70, \uc5d4\ub4dc\ud3ec\uc778\ud2b8\uc5d0 \ub370\uc774\ud130, \uc804\uc6d0 \ubc0f \uc624\ub514\uc624\ub97c \uc804\ub2ec\ud569\ub2c8\ub2e4.<\/li>\n<li><strong>\uc7a5\ucc29 \ubc0f \uc870\uc900:<\/strong> \ubd84\uc0b0 \ud328\ud134\uc744 \uace0\ub824\ud558\uc5ec \ub300\uc0c1 \uc601\uc5ed\uc744 \ud6a8\uacfc\uc801\uc73c\ub85c \ucee4\ubc84\ud558\ub3c4\ub85d \ud63c\uc744 \ubc30\uce58\ud558\uc2ed\uc2dc\uc624. \ubcbd\uc774\ub098 \uc7a5\uc560\ubb3c\uc774 \uc544\ub2cc \uccad\ucde8\uc790 \uad6c\uc5ed\uc744 \ud5a5\ud574 \uc870\uc900\ud558\uc2ed\uc2dc\uc624. \ud2b9\ud788 \ubb34\uac70\uc6b4 \uc2e4\uc678 \ud504\ub85c\uc81d\ud130\uc758 \uacbd\uc6b0 \uc7a5\ucc29 \ud558\ub4dc\uc6e8\uc5b4\uac00 \uacac\uace0\ud55c\uc9c0 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/li>\n<li><strong>\uaddc\uc815 \uc900\uc218 \ubc0f \ud45c\uc900:<\/strong> \uc2dc\uc2a4\ud15c\uc774 \uacf5\uacf5 \uac74\ubb3c\uc5d0\uc11c \ucd5c\uc18c \uc74c\uc555 \ub808\ubca8\uacfc \uba85\ub8cc\ub3c4 \uae30\uc900\uc744 \uc694\uad6c\ud558\ub294 \ube44\uc0c1 \uc74c\ud5a5 \uc2dc\uc2a4\ud15c\uc5d0 \ub300\ud55c \uad00\ub828 \uc9c0\uc5ed \ubc0f \uad6d\uc81c \ud45c\uc900(\uc608: \ubbf8\uad6d\uc758 NFPA 72, \uc720\ub7fd\uc758 EN 54)\uc744 \ucda9\uc871\ud558\ub294\uc9c0 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/li>\n<\/ol>\n<h2>\uc77c\ubc18\uc801\uc778 \uc2dc\ub098\ub9ac\uc624\ubcc4 \ud63c \uc720\ud615 \ube44\uad50 \ubd84\uc11d<\/h2>\n<p>\uc544\ub798 \ud45c\ub294 \uc77c\ubc18\uc801\uc778 \uc0ac\uc6a9 \uc0ac\ub840\uc5d0 \ub300\ud55c \ube60\ub978 \ucc38\uc870 \ube44\uad50\ub97c \uc81c\uacf5\ud569\ub2c8\ub2e4.<\/p>\n<table>\n<thead>\n<tr>\n<th style=\"text-align: left\">\uc801\uc6a9 \uc2dc\ub098\ub9ac\uc624<\/th>\n<th style=\"text-align: left\">\uad8c\uc7a5 \ud63c \uc720\ud615<\/th>\n<th style=\"text-align: left\">\uc6b0\uc120\uc2dc\ud560 \uc8fc\uc694 \ub9e4\uac1c\ubcc0\uc218<\/th>\n<th style=\"text-align: left\">\uc77c\ubc18\uc801\uc778 \uc804\ub825 \ubc0f SPL \uc694\uad6c \uc0ac\ud56d<\/th>\n<th style=\"text-align: left\">\ube44\uace0<\/th>\n<\/tr>\n<\/thead>\n<tbody>\n<tr>\n<td style=\"text-align: left\"><strong>\ucc3d\uace0 \uc2e4\ub0b4<\/strong><\/td>\n<td style=\"text-align: left\">70V \ucef4\ud329\ud2b8 \ud638\ucd9c \ud63c<\/td>\n<td style=\"text-align: left\">\uac10\ub3c4, 90\u00b0-120\u00b0 \ubd84\uc0b0, IP54(\ubc29\uc9c4\/\ubc29\uc801)<\/td>\n<td style=\"text-align: left\">10-30W \ud0ed, 105-115 dB \ucd5c\ub300 SPL<\/td>\n<td style=\"text-align: left\">\ub192\uc774 \uc7a5\ucc29\ud558\uace0 \ud1b5\ub85c\ub97c \ud5a5\ud574 \uc544\ub798\ub85c \uac01\ub3c4\ub97c \uc870\uc815\ud558\uc2ed\uc2dc\uc624. \uc74c\uc131 \uc911\uac04 \ub300\uc5ed\uc744 \uc6b0\uc120\uc2dc\ud558\uc2ed\uc2dc\uc624.<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\"><strong>\uacf5\uc7a5 \ubc14\ub2e5(\uc18c\uc74c \ud658\uacbd)<\/strong><\/td>\n<td style=\"text-align: left\">70V\/100V \uace0\ucd9c\ub825 \uc0ac\uc6b4\ub4dc \ud504\ub85c\uc81d\ud130<\/td>\n<td style=\"text-align: left\">\ucd5c\ub300 SPL(&gt;125 dB), \ub0b4\uad6c\uc131(IP66), \uc8fc\ud30c\uc218 \uc751\ub2f5(\uc800\uc8fc\ud30c \uc18c\uc74c \ucc28\ub2e8)<\/td>\n<td style=\"text-align: left\">30-60W \ud0ed, 125-135 dB \ucd5c\ub300 SPL<\/td>\n<td style=\"text-align: left\">\uc885\uc885 \uc54c\ub8e8\ubbf8\ub284 \ub610\ub294 \ud3f4\ub9ac\uce74\ubcf4\ub124\uc774\ud2b8\ub85c \uc81c\uc791\ub429\ub2c8\ub2e4. \ud2b9\uc815 \uc8fc\ud30c\uc218 \u201c\uc0e4\uc6b0\ud2b8\u201d\uac00 \uc788\ub294 \ud63c\uc774 \ud544\uc694\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.\u201d<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\"><strong>\ud559\uad50 \ucea0\ud37c\uc2a4 \uc2e4\uc678<\/strong><\/td>\n<td style=\"text-align: left\">70V \ub0b4\ud6c4\uc131 \ud63c<\/td>\n<td style=\"text-align: left\">\ubc29\uc218\uc131(IP65), \ub113\uc740 \ubd84\uc0b0, \ubbf8\uc801 \ub514\uc790\uc778<\/td>\n<td style=\"text-align: left\">15-30W \ud0ed, 110-120 dB \ucd5c\ub300 SPL<\/td>\n<td style=\"text-align: left\">\uade0\uc77c\ud55c \ucee4\ubc84\ub9ac\uc9c0\ub97c \uc704\ud574 \uc5ec\ub7ec \uc720\ub2db\uc744 \uc0ac\uc6a9\ud558\uc2ed\uc2dc\uc624. \ubc29\uc5fc \uae30\ub2a5\uc744 \uace0\ub824\ud558\uc2ed\uc2dc\uc624.<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\"><strong>\uacf5\ud56d \uc218\ud558\ubb3c \ucc3e\ub294 \uacf3<\/strong><\/td>\n<td style=\"text-align: left\">70V \uad11\ubd84\uc0b0 \ud63c<\/td>\n<td style=\"text-align: left\">\uba85\ub8cc\ub3c4, \ub113\uace0 \uade0\uc77c\ud55c \ucee4\ubc84\ub9ac\uc9c0(\uc608: 90\u00b0x90\u00b0), \ubbf8\uc801 \ub514\uc790\uc778<\/td>\n<td style=\"text-align: left\">5-15W \ud0ed, 100-110 dB \ucd5c\ub300 SPL<\/td>\n<td style=\"text-align: left\">\ubc00\uc9d1\ub41c \ubd84\uc0b0 \uc2dc\uc2a4\ud15c\uc758 \uc77c\ubd80\uc785\ub2c8\ub2e4. \uc885\uc885 \ucc9c\uc7a5\uc5d0 \ud1b5\ud569\ub429\ub2c8\ub2e4.<\/td>\n<\/tr>\n<tr>\n<td style=\"text-align: left\"><strong>\uc704\ud5d8 \uad6c\uc5ed(Zone 1)<\/strong><\/td>\n<td style=\"text-align: left\">\uc778\uc99d\ub41c \ubc29\ud3ed \ud63c<\/td>\n<td style=\"text-align: left\">ATEX\/IECEx \uc778\uc99d, \ucd5c\ub300 SPL, \uc2a4\ud14c\uc778\ub9ac\uc2a4 \uc2a4\ud2f8 \ub610\ub294 \ud669\ub3d9 \uad6c\uc870<\/td>\n<td style=\"text-align: left\">\ud604\uc7a5 \ubd84\ub958\uc5d0 \ub530\ub77c \ub9e4\uc6b0 \ub192\uc740 SPL<\/td>\n<td style=\"text-align: left\">\uc804\ubb38 \uc81c\uc870\uc5c5\uccb4\uc5d0\uc11c \uc870\ub2ec\ud574\uc57c \ud569\ub2c8\ub2e4. \ubc30\uc120\uc740 \uc778\uc99d\ub41c \ucee8\ub4c0\uc787 \uc530\uc744 \ud1b5\ud574 \ub4e4\uc5b4\uac11\ub2c8\ub2e4.<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<hr \/>\n<h3>\uc804\ubb38\uac00 Q&amp;A<\/h3>\n<p><strong>Q1: \uba85\ud655\ud55c \uba85\ub8cc\ub3c4\ub97c \uc704\ud574 \ud63c\uc774 \uc8fc\ubcc0 \uc18c\uc74c\ubcf4\ub2e4 \uc5bc\ub9c8\ub098 \ub354 \ucee4\uc57c \ud569\ub2c8\uae4c?<\/strong><br \/>\n<strong>\uc5d0\uc774:<\/strong> \uc77c\ubc18\uc801\uc778 \uc5d4\uc9c0\ub2c8\uc5b4\ub9c1 \uaddc\uce59\uc740 \uccad\ucde8\uc790 \uc704\uce58\uc5d0\uc11c \uce21\uc815\ub41c \uc8fc\ubcc0 \uc18c\uc74c \ub808\ubca8(Leq)\ubcf4\ub2e4 \ud63c\uc758 \ucd9c\ub825\uc774 \ucd5c\uc18c <strong>10-15 dB \uc774\uc0c1\uc774\uc5b4\uc57c<\/strong> \uc88b\uc740 \uc74c\uc131 \uba85\ub8cc\ub3c4\ub97c \uc5bb\uc744 \uc218 \uc788\ub2e4\ub294 \uac83\uc785\ub2c8\ub2e4. \ub9e4\uc6b0 \uc2dc\ub044\ub7ec\uc6b4 \ud658\uacbd(\uc608: 100 dB \uc8fc\ubcc0 \uc18c\uc74c)\uc5d0\uc11c\ub294 115 dB SPL \uc774\uc0c1\uc758 \ud63c\uc774 \ud544\uc694\ud569\ub2c8\ub2e4. \uc815\uad50\ud55c \uc124\uacc4\ub294 \uc2a4\ud399\ud2b8\ub7fc \ud615\uc0c1\uc744 \uc0ac\uc6a9\ud558\uc5ec \uc804\uccb4 \ubcfc\ub968\uc744 \ub2e8\uc21c\ud788 \ub192\uc774\uc9c0 \uc54a\uace0\ub3c4 \uc778\uac04\uc758 \uadc0\uac00 \uc74c\uc131 \uc2e0\ud638\uc5d0 \uac00\uc7a5 \ubbfc\uac10\ud55c 2-4 kHz \ub300\uc5ed\uc744 \uac15\ud654\ud558\uc5ec \uba85\ub8cc\ub3c4\ub97c \ud5a5\uc0c1\uc2dc\ud0b5\ub2c8\ub2e4.<\/p>\n<p><strong>Q2: \ub2e8\uc77c 70V \uc570\ud504 \ucc44\ub110\uc5d0 \ub108\ubb34 \ub9ce\uc740 \ud63c\uc744 \ub370\uc774\uc9c0 \uccb4\uc778\uc73c\ub85c \uc5f0\uacb0\ud560 \ub54c\uc758 \uc8fc\uc694 \ub2e8\uc810\uc740 \ubb34\uc5c7\uc785\ub2c8\uae4c?<\/strong><br \/>\n<strong>\uc5d0\uc774:<\/strong> \uc8fc\uc694 \uc704\ud5d8\uc740 \uc570\ud504 \uacfc\ubd80\ud558\uc785\ub2c8\ub2e4. \ubcc0\uc555\uae30 \ud0ed\uc774 \ubd80\ud558 \uc784\ud53c\ub358\uc2a4\uac00 \ub108\ubb34 \ub0ae\uc544\uc9c0\ub294 \uac83\uc744 \ubc29\uc9c0\ud558\uc9c0\ub9cc, <strong>\ubaa8\ub4e0 \ud0ed \uc124\uc815\uc758 \ucd1d \uc640\ud2b8 \ud569\uacc4<\/strong> \ud574\ub2f9 \ucc44\ub110\uc5d0 \ub300\ud55c \uc570\ud504\uc758 \uc5f0\uc18d \uc640\ud2b8 \ucd9c\ub825\uc744 \ucd08\uacfc\ud574\uc11c\ub294 \uc548 \ub429\ub2c8\ub2e4. \uc774\ub97c \ucd08\uacfc\ud558\uba74 \ud074\ub9ac\ud551, \uc65c\uace1 \ubc0f \uc7a0\uc7ac\uc801\uc778 \uc570\ud504 \uace0\uc7a5\uc774 \ubc1c\uc0dd\ud569\ub2c8\ub2e4. \ub458\uc9f8, \ud558\ub098\uc758 \ud63c\uc774 \uace0\uc7a5 \ub098\uba74(\uc608: \ubcc0\uc555\uae30 \ub2e8\ub77d) \uc804\uccb4 \ud68c\ub85c\uac00 \uc911\ub2e8\ub420 \uc218 \uc788\uc2b5\ub2c8\ub2e4. \ubcc4\ub3c4\uc758 \uc570\ud504 \ucc44\ub110\ub85c \uc801\uc808\ud55c \uad6c\uc5ed\uc744 \uc124\uc815\ud558\uba74 \ub450 \uc704\ud5d8\uc744 \ubaa8\ub450 \uc644\ud654\ud560 \uc218 \uc788\uc2b5\ub2c8\ub2e4.<\/p>\n<p><strong>Q3: IP \uae30\ubc18 \uc624\ub514\uc624 \uc2dc\uc2a4\ud15c\uc758 \ubd80\uc0c1\uc73c\ub85c \uc778\ud574 \uae30\uc874\uc758 70V \ud63c(horn)\uc774 \ub354 \uc774\uc0c1 \uc0ac\uc6a9\ub418\uc9c0 \uc54a\uac8c \ub418\uc5c8\uc2b5\ub2c8\uae4c?<\/strong><br \/>\n<strong>\uc5d0\uc774:<\/strong> \uc804\ud600 \uadf8\ub807\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4. PA \uc2dc\uc2a4\ud15c\uc758 \u201c\ud504\ub860\ud2b8 \uc5d4\ub4dc\u201d\ub294 \uc81c\uc5b4 \ubc0f \uc2e0\ud638 \ubd84\ubc30\ub97c \uc704\ud574 AoIP(\uc608: Dante)\ub97c \ud1b5\ud574 \ube60\ub974\uac8c \ub514\uc9c0\ud138\ud654\ub418\uace0 \uc788\uc2b5\ub2c8\ub2e4. \uadf8\ub7ec\ub098 \u201c\ub77c\uc2a4\ud2b8 \ub9c8\uc77c\u201d, \uc989 \uc570\ud504\uc640 \ud63c\uc740 \uc5ec\uc804\ud788 \uc544\ub0a0\ub85c\uadf8 \ubc29\uc2dd\uc73c\ub85c \ub0a8\uc544 \uc788\ub294 \uacbd\uc6b0\uac00 \ub9ce\uc2b5\ub2c8\ub2e4. \ucd5c\uc2e0 \u201c\uc9c0\ub2a5\ud615\u201d \uc570\ud504\ub294 \ub124\ud2b8\uc6cc\ud06c \uc624\ub514\uc624\ub97c \uc218\uc6a9\ud558\uc5ec \ub514\uc9c0\ud138 \uc81c\uc5b4, \ubaa8\ub2c8\ud130\ub9c1 \ubc0f \uad6c\uc5ed \uc124\uc815\uc758 \uc774\uc810\uc744 \uc81c\uacf5\ud558\uba74\uc11c\ub3c4 \uae30\uc874\uc758 \uacac\uace0\ud558\uace0 \ube44\uc6a9 \ud6a8\uc728\uc801\uc778 \ud63c \ub124\ud2b8\uc6cc\ud06c\uc5d0 \ud45c\uc900 70V\/100V \uc2e0\ud638\ub97c \ucd9c\ub825\ud569\ub2c8\ub2e4. \ud63c \uc790\uccb4\ub294 \uc74c\ud5a5 \ubc29\uc0ac\ub77c\ub294 \ubb3c\ub9ac\uc801 \uc791\uc5c5\uc5d0 \ucd5c\uc801\ud654\ub41c \uc0c1\ud0dc\ub97c \uc720\uc9c0\ud558\uba70, \uc774 \uc5ed\ud560\uc5d0\uc11c \ub514\uc9c0\ud138 \uc2e0\ud638\ub9cc\uc73c\ub85c\ub294 \ubcf8\uc9c8\uc801\uc778 \uc774\uc810\uc744 \uc81c\uacf5\ud558\uc9c0 \uc54a\uc2b5\ub2c8\ub2e4.<\/p>\n<p><strong>Q4: \ud45c\uc900 \uc2e4\uc678\uc6a9 \ud63c\uc744 \ubd80\uc2dd\uc131 \ud574\uc591 \ub610\ub294 \ud654\ud559 \ud658\uacbd\uc5d0\uc11c \uc0ac\uc6a9\ud560 \uc218 \uc788\uc2b5\ub2c8\uae4c?<\/strong><br \/>\n<strong>\uc5d0\uc774:<\/strong> \uc544\ub2c8\uc694. \ud45c\uc900 \ubc29\uc218(IP66) \ud63c\uc740 \uc885\uc885 \uc54c\ub8e8\ubbf8\ub284 \ub610\ub294 \uac15\ucca0 \ubd80\ud488\uc744 \uc0ac\uc6a9\ud558\ubbc0\ub85c \ube60\ub974\uac8c \ubd80\uc2dd\ub429\ub2c8\ub2e4. \uc774\ub7ec\ud55c \ud658\uacbd\uc5d0\uc11c\ub294 \ub2e4\uc74c \uc7ac\ub8cc\ub85c \uc81c\uc791\ub41c \ud63c\uc744 \uc9c0\uc815\ud574\uc57c \ud569\ub2c8\ub2e4: <strong>\ud574\uc591 \ub4f1\uae09 \uc2a4\ud14c\uc778\ub9ac\uc2a4\uac15(\uc608: 316L)<\/strong> \ub610\ub294 <strong>\uace0\ucda9\uaca9, UV \uc548\uc815\uc131 \ud3f4\ub9ac\uba38<\/strong> (\uc608: \ud3f4\ub9ac\uce74\ubcf4\ub124\uc774\ud2b8) \ubc0f \ud2b9\uc815 \ubd80\uc2dd\uc131 \ubb3c\uc9c8\uc5d0 \ub300\ud574 \ub4f1\uae09\uc774 \uc9c0\uc815\ub41c \ubaa8\ub4e0 \ud558\ub4dc\uc6e8\uc5b4(\ub098\uc0ac, \uac1c\uc2a4\ud0b7)\ub97c \uc0ac\uc6a9\ud574\uc57c \ud569\ub2c8\ub2e4. \ud56d\uc0c1 \uc81c\uc870\uc5c5\uccb4\uc758 \ub0b4\ud654\ud559\uc131 \uc0ac\uc591\uc744 \ud655\uc778\ud558\uc2ed\uc2dc\uc624.<\/p>","protected":false},"excerpt":{"rendered":"<p>Choosing the correct audio horn for a public address (PA) system is a critical decision that bridges technical specifications with real-world performance. A poor selection can lead to inefficiency, intelligibility issues, and wasted resources, while the right choice ensures clear, reliable communication\u2014a vital component for safety, operations, and guidance in venues from train stations to [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[1],"tags":[],"class_list":["post-9096","post","type-post","status-publish","format-standard","hentry","category-blog"],"_links":{"self":[{"href":"https:\/\/www.zehsm.com\/ko\/wp-json\/wp\/v2\/posts\/9096","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/www.zehsm.com\/ko\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.zehsm.com\/ko\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.zehsm.com\/ko\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.zehsm.com\/ko\/wp-json\/wp\/v2\/comments?post=9096"}],"version-history":[{"count":1,"href":"https:\/\/www.zehsm.com\/ko\/wp-json\/wp\/v2\/posts\/9096\/revisions"}],"predecessor-version":[{"id":9097,"href":"https:\/\/www.zehsm.com\/ko\/wp-json\/wp\/v2\/posts\/9096\/revisions\/9097"}],"wp:attachment":[{"href":"https:\/\/www.zehsm.com\/ko\/wp-json\/wp\/v2\/media?parent=9096"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.zehsm.com\/ko\/wp-json\/wp\/v2\/categories?post=9096"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.zehsm.com\/ko\/wp-json\/wp\/v2\/tags?post=9096"}],"curies":[{"name":"\uc6cc\ub4dc\ud504\ub808\uc2a4","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}